Universe Facts
Universe Facts
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| Interesting Universe Facts: |
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| Models of the universe began with observations made by ancient Greek philosophers. |
| The Big Bang theory tells us that the universe began as a small, hot ball that cooled as it expanded. |
| Because the universe is cooling as it expands, scientists believe that it will end in a Big Freeze. |
| Although the Big Bang theory is widely accepted, the events that occurred before Big Bang remains a very big mystery. |
| The age of the universe is roughly 13.7 billion years old. |
| Although the planets within the universe are not flat, it is believed that the universe is flat. |
| There are parts of the universe that simply cannot be seen or detected and scientists refer to these parts as dark matter and dark energy. |
| Only 5% of the matter in the universe can be seen. |
| Although Galileo is given credit for discovering the telescope, he actually was just the first to use it to study the sky. |
| Black holes are objects that suck up everything in space including light. |
| Shooting stars are actually shining dust particles left behind by comets in the atmosphere. |
| Although our Sun looks round, it actually has flat sides on its top and bottom. |
| The Sun makes up more than 99% of the mass of our Solar System. |
| There are billions of galaxies in the universe. |
| Once every second a star somewhere in the universe explodes. |
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